Unionville Old City Lake Dam
Key Takeaway
Unionville Old City Lake Dam is classified as high hazard in Missouri. It was completed in 1914 and is 112 years old. Its primary use is debris control. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 54.3% in MO) |
| Dam Type | Earth |
| Max Storage | 180 acre-ft |
| Normal Storage | 104 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 245 sq mi |
| Year Completed | 1914 (112 years old) |
| NID ID | MO10152 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
UNIONVILLE,MO
Local Government
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What is the hazard classification of Unionville Old City Lake Dam?
Unionville Old City Lake Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Unionville Old City Lake Dam?
Unionville Old City Lake Dam is owned by UNIONVILLE,MO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Unionville Old City Lake Dam built?
Unionville Old City Lake Dam was completed in 1914, making it 112 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Unionville Old City Lake Dam?
Unionville Old City Lake Dam serves the following purposes: Debris Control, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Unionville Old City Lake Dam?
Unionville Old City Lake Dam has a dam height of 28 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.